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MathML::Entities(3) User Contributed Perl Documentation MathML::Entities(3)
 

MathML::Entities - Convert XHTML+MathML Named Entities to Numeric Character References

 use MathML::Entities;
 
 $html    = '<b>&copy;</b> by me';
 
 # convert named HTML entities to character references:
 $numeric = name2numbered($html);    # <b>&#x000A9;</b> by me
 # convert named HTML entities to character references:
 $utf8 = name2utf8($html);    # utf8

MathML::Entities a content conversion filter for named XHTML+MathML entities. There are over two thousand named entities in the XHTML+MathML DTD. All the Entities defined in the XHTML+MathML DTD except the five "safe" ones ("&lt;", "&gt;", "&amp;", "&quot;", "&apos;"), will be converted to the equivalent numeric character references or to utf-8 characters. Named entities which are not in the XHTML+MathML DTD are escaped. This makes the resulting XHTML (or XHTML+MathML) safe for consumption by non-validating XML parsers.
Unlike, HTML::Entities, the mapping between MathML named entities and codepoints is many-to-one. Therefore, there's no particular sense in having an inverse function, which takes codepoints to named entities.
Based on: HTML::Entities by Koichi Taniguchi <taniguchi@livedoor.jp>

The following functions are exported by default.
name2numbered
XHTML+MathML named entities (except for the five "safe" XML named entities) in the argument of "name2numbered()" are replaced by the corresponding numbered character references.
name2utf8
XHTML+MathML named entities (except for the five "safe" XML named entities) in the argument of "name2utf8()" are replaced by the corresponding utf-8 characters.

Jacques Distler <distler@golem.ph.utexas.edu>

Copyright (c) 2005 Jacques Distler. All rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

HTML::Entities, HTML::Entities::Numbered, <http://www.w3.org/TR/REC-html40/sgml/entities.html>, <http://www.w3.org/Math/characters/>

Hey! The above document had some coding errors, which are explained below:
Around line 2245:
You forgot a '=back' before '=head1'
2009-11-18 perl v5.28.1

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